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HTTP protocol works with TCP/IP to transfer data, it uses the GET or POST request to retrieve the response from server, the response status is known by a code which tells what was the response or else if error occured what was the error and its cause.

Java servlet is one of the best technology for server side web application development. Java servlet and jsp are both very essential part if you are new to java web development. There are various new framework but at the base level they all use the servlet to do the work.

Listener and Adapters are two different way to accomplish the event handling in java. all the event sources have different type of class support. There are mouse and key events, window and focus events, srcoll bar and checkboxes event and many more.

Making GUI in Java is actually easier than you can think. It need only AWT or Swing api and few classes like frame, button, textfield, action listeners and some more relevent Classes. It is all available all you need to do is create and add objects to the display which could be either a frame or an applet

Java provide support for GUI in its core packages. AWT is one of the basic packages. It gives all you need to create a graphical software using frame windows. It provide buttons, scrollbars, text areas, text fields and many more components

Transactions are important part of any database oriented program. It is really necessary to keep the consistency of the DB. So Java, through the excellent JDBC API provide support for the atomic statement executions which we also know as Transactions

The JDBC API works with two and three tier architecture and support four types of drivers to help you work with DBMS without much difficulty. It uses java.sql and javax.sql package to work help you out. This post introduces you to the JDBC basics.

TCP is the reliable network which works on the point to point connection. The virtual channel is created for a reliable communication which ensures that no data packet is lost, this article introduces the Socket programming with the help of java.net package and ServerSocket and socket class.

DatagramSocket and DatagramPacket are classes we use in Java to work with the UDP protocol. the classes are found in the java.net package. The UDP is a non reliable protocol as it does not goes with the point to point handshake. This protocol rely on the IP to transmit data successfully.